package com.alcatel_lucent.scalastudy.model

/**
 * Created with IntelliJ IDEA.
 * User: Guoshun Wu
 * Date: 13-7-4
 * Time: 下午9:04
 */
trait Filtering extends IntQueue {
  abstract override def put(x: Int) {
    if (x > 0) super.put(x)
  }
}
